Failure is the foundation of success, and the means by which it is achieved.

Great services are not canceled by one act or by one single error.

Nature never excuses lapses.

At fifteen life had taught me undeniably that surrender, in its place, was as honorable as resistance, especially if one had no choice.

Failing to prepare is preparing to fail.

As soon as the fear approaches near, attack and destroy it.

Dream is not that you see in the sleep; dream is that does not allow you to sleep.

The fire that warms us can also consume us; it is not the fault of the fire.

To stumble twice against the same stone is a proverbial disgrace.

Do not be afraid of mistakes, providing you do not make the same one twice.

The worst prison would be a closed heart.

Failure is unimportant. It takes courage to make a fool of yourself.

The errors of great men are venerable because they are more fruitful than the truths of little men.

You will soon break the bow if you keep it always stretched.

Dwelling on negative thoughts is like fertilizing weeds.

Man knows so much and does so little.

Failure is simply an opportunity to begin again, this time more intelligently.

Failure is not a single, cataclysmic event. You don't fail overnight. Instead, failure is a few errors in judgement, repeated every day.

You have committed a double mistake, firstly by not keeping the engagement yesterday and secondly, by coming when you were not expected.

Any man can make mistakes, but only an idiot persists in his error.

Pollution is nothing but the resources we are not harvesting. We allow them to disperse because we've been ignorant of their value.